Question: What left office is from the temporal range start of Sturtian glaciation?
Paraphrase: What left office is from the temporal range begin of Sturtian glaciation?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q1450075 wdt:P523 ?X . ?X wdt:P582 ?answer}
Answer: -635000000-01-01T00:00:00Z